package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 查询购物车中是否已经有菜品或者套餐
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 如果有，数量加1
     * @param cart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void uodateNumberById(ShoppingCart cart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
            "VALUES \n" +
            "(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteShopping(Long currentId);

    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    void insertBatch(List<ShoppingCart> shoppingCartList);
}
